CN105424394B - A kind of device for being used for realization drag-line or pull rod and quickly disconnecting - Google Patents
A kind of device for being used for realization drag-line or pull rod and quickly disconnecting Download PDFInfo
- Publication number
- CN105424394B CN105424394B CN201510932672.0A CN201510932672A CN105424394B CN 105424394 B CN105424394 B CN 105424394B CN 201510932672 A CN201510932672 A CN 201510932672A CN 105424394 B CN105424394 B CN 105424394B
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- China
- Prior art keywords
- sleeve
- bar
- straight
- intermediate plate
- pull rod
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of device for being used for realization drag-line or pull rod and quickly disconnecting, including the sleeve being connected with the drag-line of disconnection or pull rod one end and the straight-bar being connected with the other end；Two pieces of intermediate plates are provided with sleeve, and it is hinged with it by bolt；Sleeve afterbody has that a circular ring is coupled, and the catch that intermediate plate afterbody stretches out can prevent it from coming off；Lantern ring internal cutting goes out similar elliptical shape so that it drives two intermediate plate afterbodys to close therewith when rotating；Straight-bar one end is connected with drag-line or pull rod, and other end diameter is slightly larger, and coupling part is polished into circular arc；Straight-bar can just be blocked by the intermediate plate opened in the sleeve.The present invention can realize the function that the drag-line for bearing a constant load or pull rod instantaneously disconnect, and any other additional effect will not be caused to test structure, simple and convenient, safe.
Description
Technical field
The present invention relates to a kind of device for being used for realization drag-line or pull rod and quickly disconnecting, the drag-line belonged in building structure breaks
Rope experimental rig.
Background technology
In recent years, with the theoretical continuous improvement with technology, beam-string structure, tension integral structure, rope bar dome structure etc.
Prestressed spatial structure is because its innervation is slim and graceful, various informative and less construction material usage amount is closed be subject to more and more people
Note.But tensioning is overall also due to itself complicated structure design causes constructional difficulties, often because constructing unexpected, component
The factors such as destruction, corrosion and security incident occurs, and can all include the prominent of structure drag-line or pull rod in almost all of accident
So disconnect.Unexpected disconnect of drag-line or pull rod can produce very strong impact force to interdependent node or end, and then structure is produced
Considerable influence, meanwhile, the disconnection of drag-line or pull rod also results in the stress redistribution of inside configuration.Drag-line or drawing at key position
Unexpected disconnect of bar can even make overall structure cave in failure, and the economic asset for causing to be difficult to retrieve is lost.
Current research is mostly still concentrated in numerical simulation both at home and abroad, and is not examined during most of numerical simulation
To the impact force action of node or end when worry drag-line or pull rod instantaneously disconnect, even if considering the effect of Related Impulse power, simulation
As a result also require study with whether actual conditions are consistent, therefore the development for mutually turning off rope experiment is just imperative, wherein for drawing
The device that rope or pull rod quickly disconnect becomes the key for experiment.Document associated at present is less, existing to be used for quickly
The method for disconnecting drag-line or pull rod substantially has statical unloading method, blasting procedure, external impact force method etc., and various methods have respective
Advantage and disadvantage, but can not all meet instantaneously disconnection at the same time, without the requirement such as external force or energy input and safety easy to operate.Therefore,
Disconnected rope experimental study to tension integral structure and cable dome structure now can meet that above three will at the same time there is an urgent need to one kind
The device asked.
The content of the invention
Technical problem：The present invention provides a kind of available for prestressing force such as beam-string structure, tension integral structure, cable dome structures
Space structure break rope experiment the device for being used for realization drag-line or pull rod and quickly disconnecting, can meet at the same time structure instantaneously disconnect,
Without external force or energy input and safe requirement easy to operate.
Technical solution：The device for being used for realization drag-line or pull rod and quickly disconnecting of the present invention, including sleeve, straight-bar, installation
In the sleeve and be oppositely arranged two intermediate plates, simultaneously can be around the rotating lantern ring in its axle center, solid installed in sleeve openings end
It is scheduled on the side pole of the sleeve other end, the straight-bar and side pole are connecting drag-line or pull rod；In described intermediate plate one end and sleeve
Portion is hinged, and the other end stretches out sleeve openings end and is pressed on lantern ring inner edge, and the inner edge of the lantern ring changes for diameter
Arc, in the straight-bar insertion sleeve, and when intermediate plate is pressed on lantern ring inner edge larger diameter portion, limited by intermediate plate clamping
Position.
Further, in apparatus of the present invention, when the lantern ring rotates, intermediate plate folding above and below the one end at sleeve openings end is made
Movement, while the end motion in sleeve of intermediate plate is driven, so as to be able to block or discharge straight-bar.
Further, in apparatus of the present invention, the end set of straight-bar has raised root edge, and the intermediate plate is located at one in sleeve
End is provided with limit protrusion, by the cooperation of the limit protrusion and raised root edge, realizes the clamping positioning and release of straight-bar.
Beneficial effect：It is seldom to be currently used for the device of fast quick-break rope or disconnected bar, and existing invention mostly can not expire mostly
The requirement that foot instantaneously disconnects, or extra active force and energy can be imposed to structure in opertions engineering.With the prior art
Compare, the present invention has the following advantages：
1st, without using any high-temperature service, purely mechanic principle realizes that the moment of drag-line or pull rod disconnects, can be effectively anti-
Reflect drag-line in structure or dynamic impact effect that when pull rod moment disconnects produces structure, and will not be to the test model amount of imports outside
External force, extra influence will not be produced to structure, it is safe.Especially suitable for beam-string structure, tension integral structure, Suo Qiong
The disconnecting cable structure experiment of the prestressed spatial structure model such as roof construction.
2nd, University Of Tianjin's application discloses a kind of building structure drag-line moment disconnection device, number of patent application
201410490663.6 the device drives cam rotation to release the lock-out state of drag-line by rotation handle.Though the invention
It can so realize that the moment of drag-line disconnects, but required be applied to is removed upper power is larger, generally requires to utilize the dress such as electric block
Put force.The ingenious utilization lever principle of the present invention is to reach labour-saving purpose, and intermediate plate is as lever, using bolt as fulcrum, both ends
The ratio between arm of force is up to 1:5.
3rd, ingenious to utilize frictional force, device passes through rotation by controlling intermediate plate folding to realize the locking and release of straight-bar
The lantern ring make intermediate plate closure realize the function during, what is substantially overcome is the frictional force between intermediate plate front end and straight-bar, directly
The effect of connecing is the frictional force overcome between the lantern ring and intermediate plate.By adjusting straight-bar and the position of intermediate plate application point and rubbing for material
The active force that circular ring is supplied to by outside can be effectively reduced by wiping coefficient.
4th, device simple structure, it is easy to process, it is particularly suitable for setting the dress at the more drag-lines and pull rod of structural test
Put.
Brief description of the drawings
Fig. 1 is schematic three dimensional views of the present invention in lock-out state；
Fig. 2 is schematic three dimensional views of the present invention in off-state；
Fig. 3 is diagrammatic cross-section of the present invention in lock-out state；
Fig. 4 is diagrammatic cross-section of the present invention in off-state；
Fig. 5 is the schematic three dimensional views of middle sleeve of the present invention；
Fig. 6 is the schematic three dimensional views of intermediate plate in the present invention；
Fig. 7 is the schematic three dimensional views of the lantern ring in the present invention；
Fig. 8 is the schematic three dimensional views of straight-bar in the present invention；
Have in figure：1 is sleeve, and 2 be intermediate plate, and 3 be the lantern ring, and 4 be straight-bar, and 5 be bolt, and 6 be side pole.
Embodiment
Technical scheme is described in further details with reference to Figure of description and embodiment：
As Figure 1-Figure 8, the embodiment of the present apparatus include the sleeve 1 that is connected with the drag-line of disconnection or pull rod one end and with
The straight-bar 4 of other end connection；Two pieces of intermediate plates 2 are provided with sleeve 1, and it is hinged with it by bolt 5；The openend of sleeve 1 has
One lantern ring 3 is coupled, and the catch that one end that intermediate plate 2 is located at the opening of sleeve 1 is stretched out can prevent the lantern ring 3 from coming off；3 internal cutting of the lantern ring
Go out similar elliptical shape so that it drives two intermediate plates 2 to be located at 1 open at one end of sleeve and closes and open therewith when rotating；Straight-bar 4 one
End is connected with drag-line or pull rod, and the other end is provided with the slightly larger raised root edge of diameter, root edge protrusion and open configuration
Under intermediate plate 2 directly contact, the raised root edge end of straight-bar 4 is stuck in inside sleeve 1；The hinged end that intermediate plate 2 is located in sleeve 1 is set
There is limit protrusion, the limit protrusion that straight-bar 4 is provided with the intermediate plate 2 that raised root edge one end can be just flared blocks.The lantern ring 3 with
1 assemble method of sleeve：The lantern ring 3 and the grade axis of sleeve 1 are adjacent to first, make 3 inner edge maximum gauge direction of the lantern ring and 1 rectangle of sleeve
Hole long side is equidirectional；Then two intermediate plates 2 are penetrated into square hole, the Primary Location of two intermediate plates 2 is realized using limit protrusion；Most
Afterwards, insertion bolt is tightened, and realizes sleeve 1, the lantern ring 3, the integration of intermediate plate 2, and the catch that intermediate plate 2 is located at 1 open at one end of sleeve prevents
The coming off of the lantern ring 3.
As shown in Figure 1, Figure 3, straight-bar 4 is provided with raised root edge one end insertion sleeve 1, and the rotation lantern ring 3 is located at intermediate plate 2
1 open at one end of sleeve opens laterally, its limit protrusion blocks the raised root edge of straight-bar 4, so that overall structure can be held
By larger power；Rotation the lantern ring 3 the small part of its internal diameter is contacted with intermediate plate 2, at this time intermediate plate 2 be located at 1 open at one end of sleeve to
Inner side displacement, the raised root edge of its limit protrusion and straight-bar 4 unlock, the instantaneous extraction under external force of straight-bar 4, so as to reach fast
The purpose of quick-break rope.
Wherein, intermediate plate 2 is pivot with bolt 5, plays the role of lever in the structure, it is located at the opening of sleeve 1 one
When end is opened, the other end turns to the inside, it is ensured that be limited born in raised and clamping straight-bar 4 more all via
Intermediate plate 2 is transferred to sleeve 1, and then is transferred to structure node or end via drag-line；
When rotating the lantern ring 3 with external force, intermediate plate 2 can be driven to be located at 1 open at one end of sleeve and turned to the inside, straight-bar 4 exists
Can directly it depart under load action；In addition, because this external force need to only overcome the frictional force between 2 leading portion of intermediate plate and straight-bar 4, and
So that this external force is far smaller than bearing load in structure after lever transmission.
Above-described embodiment is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill of the art
For personnel, without departing from the principle of the present invention, some improvement and equivalent substitution can also be made, these are to the present invention
Claim be improved with the technical solution after equivalent substitution, each fall within protection scope of the present invention.
Claims (2)
1. a kind of device for being used for realization drag-line or pull rod and quickly disconnecting, it is characterised in that the device includes sleeve (1), straight-bar
(4), in the sleeve (1) and be oppositely arranged two intermediate plates (2), installed in sleeve (1), open end simultaneously can be around it
The rotating lantern ring in axle center (3), the side pole (6) for being fixed on sleeve (1) other end, the straight-bar (4) and side pole (6) are connecting
Drag-line or pull rod；With hinged inside sleeve (1), the other end stretches out sleeve (1) open end and is pressed on for described intermediate plate (2) one end
On the lantern ring (3) inner edge, the inner edge of the lantern ring (3) is the arc of diameter change, and straight-bar (4) insertion sleeve (1) is interior,
And when intermediate plate (2) is pressed on the lantern ring (3) inner edge larger diameter portion, it is spacing by intermediate plate (2) clamping；
During the lantern ring (3) rotation, make intermediate plate (2) in the open and close movement up and down of one end of sleeve (1) openend, while drive intermediate plate
(2) the end motion in sleeve (1), so as to be able to block or discharge straight-bar (4).
2. the device according to claim 1 for being used for realization drag-line or pull rod and quickly disconnecting, it is characterised in that the straight-bar
(4) end set has raised root edge, and one end that the intermediate plate (2) is located in sleeve (1) is provided with limit protrusion, by described
The cooperation of limit protrusion and raised root edge, realizes the clamping positioning and release of straight-bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932672.0A CN105424394B (en) | 2015-12-15 | 2015-12-15 | A kind of device for being used for realization drag-line or pull rod and quickly disconnecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932672.0A CN105424394B (en) | 2015-12-15 | 2015-12-15 | A kind of device for being used for realization drag-line or pull rod and quickly disconnecting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105424394A CN105424394A (en) | 2016-03-23 |
| CN105424394B true CN105424394B (en) | 2018-04-24 |
Family
ID=55502748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510932672.0A Active CN105424394B (en) | 2015-12-15 | 2015-12-15 | A kind of device for being used for realization drag-line or pull rod and quickly disconnecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105424394B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531491B (en) * | 2018-12-18 | 2024-04-19 | 重庆诺为生态环境工程有限公司 | Drawing fastener |
| CN110646185B (en) * | 2019-09-29 | 2021-01-26 | 虞珑珑 | Device for quick-release experiment and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211754U (en) * | 1987-08-15 | 1988-05-25 | 黄国林 | Mechanical type load limiter |
| US6431216B1 (en) * | 2000-11-15 | 2002-08-13 | Terry L. Briscoe | Protective tube assembly |
| CN205246363U (en) * | 2015-12-15 | 2016-05-18 | 东南大学 | A device for realizing cable or pull rod break off fast |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8800380B2 (en) * | 2012-03-27 | 2014-08-12 | Tomcat USA, Inc. | Tension monitoring apparatus |
-
2015
- 2015-12-15 CN CN201510932672.0A patent/CN105424394B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211754U (en) * | 1987-08-15 | 1988-05-25 | 黄国林 | Mechanical type load limiter |
| US6431216B1 (en) * | 2000-11-15 | 2002-08-13 | Terry L. Briscoe | Protective tube assembly |
| CN205246363U (en) * | 2015-12-15 | 2016-05-18 | 东南大学 | A device for realizing cable or pull rod break off fast |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105424394A (en) | 2016-03-23 |
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